<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script type="text/javascript" src="js/vue.js"></script>
    <style>
        .parentCla{
            width: 200px;
            height: 200px;
            background-color: blue;
        }
        .sonCla{
            width: 100px;
            height: 100px;
            background-color:khaki;
        }
        .gsonCla{
            width: 50px;
            height: 50px;
            background-color:lightcoral;
        }
    </style>
</head>
<body>
    <div id="app">
        <!--<div class="parentCla" @click="clickParent">
            <div class="sonCla" @click.stop="clickSon">
                <div class="gsonCla" @click.stop="clickGson"></div>
            </div>
        </div>-->
        <div class="parentCla" @click.self="clickParent">
            <div class="sonCla" @click.self="clickSon">
                <div class="gsonCla" @click="clickGson"></div>
            </div>
        </div>
    </div>
</body>
</html>
<script>
    var vm=new Vue({
        el:'#app',
        methods:{
            clickParent(){
                console.log("*******clickParent*******")
            },
            clickSon(){
                console.log("*******clickSon*******")
            },
            clickGson(){
                console.log("*******clickGson*******")
            }
        }
    });
</script>